<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>插值语法实现学生案例</title>
    <script src="./js/vue.js"></script>
</head>
<body>
    <div id="root">
        姓: <input type="text" v-model="firstName"> <br>
        名: <input type="text" v-model="lastName"> <br>
        姓名: {{fullName()}} <br>
    </div>
</body>
<script>
    Vue.config.productionTip = false
    const vm = new Vue({
        el: "#root",
        data: {
            firstName: '张',
            lastName: '三'
        },
        methods: {
            fullName() {
                return this.firstName + '-' + this.lastName
            }
        }
    })
</script>
</html>